| 单词 | dodecahedron |
| 例句 | And perhaps the symbol on the bow of one of the first starships would be a dodecahedron, with the inscription “Starship Theodorus of the Planet Earth.” Cosmos 1980-01-01T00:00:00Z For some reason, knowledge of a solid called the dodecahedron having twelve pentagons as sides seemed to them dangerous. Cosmos 1980-01-01T00:00:00Z And what a shape it will be: a 12-sided rhombic dodecahedron. Spare Times for Children for Jan. 11-17 2013-01-10T23:09:44Z A dodecahedron is a Platonic solid with a surface that consists of 12 pentagons, each of equal area. Calculus, Volume 1 2016-03-30T00:00:00Z Granted, the shape is dramatically different than the one that existed when minor-league ball was shuttered last summer — like a square becoming a dodecahedron. Seattle minor-league baseball owners still standing after facing COVID-19 shutdown and possible contraction 2020-12-02T05:00:00Z These are the five convex polyhedra—tetrahedron, cube, octahedron, dodecahedron, and icosahedron—that are made of congruent regular polygons. Justin Curry's Favorite Theorem 2017-12-09T05:00:00Z And modules that form three-pronged vertices assemble into various objects, including dodecahedrons that are 440 nanometers wide. Scientists shape DNA into doughnuts, teddy bears, and an image of the Mona Lisa 2017-12-06T05:00:00Z A better-known way to define it now starts with a dodecahedron, a shape made of twelve pentagons. A Few of My Favorite Spaces: The Poincaré Homology Sphere 2017-06-04T04:00:00Z By how much does the surface area of a dodecahedron increase as the side length of each pentagon doubles from 1 unit to 2 units? Calculus, Volume 1 2016-03-30T00:00:00Z We thank the reader who drew this to our attention and we agree that all instances of the word “icosahedron” should be changed to “dodecahedron”. Corrigendum: Design of a hyperstable 60-subunit protein icosahedron : Nature : Nature Research 2016-10-18T04:00:00Z The tetrahedron, octahedron, and icosahedron are made of four, eight, and twenty, respectively, equilateral triangles, the cube of six squares, and the dodecahedron of twelve regular pentagons. Justin Curry's Favorite Theorem 2017-12-09T05:00:00Z A few months ago, my company, RJMetrics, proudly released a new logo: an orange dodecahedron. You’re the Boss Blog: The Orange Underpants Logo and the Value of Testing 2014-05-13T11:00:31Z We can’t tile the plane with them, but we can stick a bunch of them together and close them up into a very nice surface, the dodecahedron. A Cuddly, Crocheted Klein Quartic Curve 2013-11-17T20:15:00.357Z Mr. Mazzanti designed a field of large modules, dodecahedrons, made of green steel mesh and translucent panels, raised on slender steel tubes. Bogotá, With Pockets of Hope in Recent Architecture 2012-07-06T04:37:10Z “In essence the only real tie to ‘Touch’ is this shape,” said Mr. Kring of the dodecahedron he decided to incorporate into the series. Advertising: When Marketing Links Web and TV Realms 2012-05-24T01:17:36Z The cube is dual to the octahedron, the dodecahedron to the icosahedron, and the tetrahedron to itself. Justin Curry's Favorite Theorem 2017-12-09T05:00:00Z Well-developed crystals are of common occurrence; they usually have the form of the regular octahedron, sometimes in combination with the cube and the rhombic dodecahedron. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z A drawing of a crystal showing a combination of the cube, octahedron and rhombic dodecahedron is shown in fig. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z Pythagorean geometry was essentially a geometry of areas and solids; its goal was the regular solids—the tetrahedron, cube, octahedron, dodecahedron and icosahedron—which symbolized the five elements of Greek cosmology. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z In it, the protagonist, Ben Wilkins, discovers a special dodecahedron, or 12-sided object, that places him at the center of a global conspiracy. Advertising: When Marketing Links Web and TV Realms 2012-05-24T01:17:36Z The dodecahedron is supposed to be the shape of the universe as a whole. Justin Curry's Favorite Theorem 2017-12-09T05:00:00Z Cleavage obtains parallel to the dodecahedron, but is imperfect. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z Of the seven simple forms, the cube, rhombic dodecahedron and tetrakis-hexahedron are geometrically the same as before, though on actual crystals the faces will have different surface characters. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z The dodecahedron, with 12 pentagonal faces, 3 at each of the 20 vertices; 5. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z However, in the final three episodes of “Touch” this season, the show also featured a mysterious dodecahedron. Advertising: When Marketing Links Web and TV Realms 2012-05-24T01:17:36Z Fluor-spar crystallizes in the cubic system, commonly in cubes, either alone or combined with the octahedron, rhombic dodecahedron, four-faced cube, &c. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z The crystals have the form of the octahedron or rhombic dodecahedron, and are frequently twinned. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 5 "Arculf" to "Armour, Philip" The regular dodecahedron of geometry, contained by twelve regular pentagons, is not a possible form in crystals. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z An important character of blende is the perfect dodecahedral cleavage, there being six directions of cleavage parallel to the faces of the rhombic dodecahedron, and angles between which are 60�. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" The “rhombic dodecahedron,” one of the geometrical semiregular solids, is an important crystal form. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" The cube is sometimes found in Brazil, but is very rare among the S. African stones; and the dodecahedron is perhaps more common in Brazil than elsewhere. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" Each chamber, when examined, is found to be in the precise shape of a dodecahedron. A System Of Logic, Ratiocinative And Inductive In the thermo-electrically positive crystals of pyrites the faces of the pentagonal dodecahedron are striated parallel to the cubic edges, whilst in the rarer negative crystals the faces are striated perpendicular to these edges. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z Iron pyrites is commonly of a bright brass-yellow color, and is found crystallized in cubes, dodecahedrons and many other forms. Golden Days for Boys and Girls Volume VIII, No 25: May 21, 1887 You might as well call it a dodecahedron, or the cube root of minus nothing.' 'That Very Mab' The form is a cube modified to an octahedron and a rhombic dodecahedron. To The Gold Coast for Gold, Vol. II A Personal Narrative Two of these generate the cube and the octahedron; five of these generate the dodecahedron and the icosahedron. Occult Chemistry Clairvoyant Observations on the Chemical Elements Six of the simple forms, the cube, tetrahedron, rhombic dodecahedron, deltoid dodecahedron, triakis-tetrahedron and pentagonal dodecahedron, are geometrically the same in this class as in either the tetrahedral or pyritohedral classes. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z Place:—the temporal mood of the Oversoul, playing through that particular facet of the dodecahedron, which is Greece. The Crest-Wave of Evolution A Course of Lectures in History, Given to the Graduates' Class in the Raja-Yoga College, Point Loma, in the College-Year 1918-19 Native gold is found crystallised in the forms of the octahedron, the cube, and the dodecahedron, of which the cube is considered as the primary form. Punch, or the London Charivari, Volume 100, March 7, 1891 The dodecahedron and icosahedron, having more faces, yield more intricate patterns, and there is no limit to the variety of interesting designs obtainable by these direct and simple means. Architecture and Democracy The rhombic dodecahedron is not regular, for though the lines and surfaces are equal, the angles are not. Occult Chemistry Clairvoyant Observations on the Chemical Elements The earth is the sphere, the measure of all; round it describe a dodecahedron; the sphere including this will be Mars. Kepler Perhaps these are major facets of the dodecahedron. The Crest-Wave of Evolution A Course of Lectures in History, Given to the Graduates' Class in the Raja-Yoga College, Point Loma, in the College-Year 1918-19 Platonic bodies; cube, rhomboid; tetrahedron, pentahedron, hexahedron, octahedron, dodecahedron, icosahedron, eicosahedron; prism, pyramid; parallelopiped; curb roof, gambrel roof, mansard roof. Roget's Thesaurus of English Words and Phrases Very recently a paper was read before the Mathematical Society of London by Mrs. Bryant, Sc.D., on the geometrical form of perfectly regular cell structure, illustrated by models of cube and rhombic dodecahedron. Hold Up Your Heads, Girls! : Helps for Girls, in School and Out Thus we have a regular sequence of the platonic solids, and the question suggests itself, will further evolution develop elements shaped to the dodecahedron and the icosahedron? Occult Chemistry Clairvoyant Observations on the Chemical Elements Is their opinion true who think that he ascribed a dodecahedron to the globe, when he says that God made use of it in delineating the universe? Complete Works of Plutarch — Volume 3: Essays and Miscellanies You know Plato's idea that the world is a dodecahedron or twelve-sided figure. The Crest-Wave of Evolution A Course of Lectures in History, Given to the Graduates' Class in the Raja-Yoga College, Point Loma, in the College-Year 1918-19 The fifth regular solid, or dodecahedron, cannot be formed by a combination of either of these triangles, but each of its faces may be regarded as composed of thirty triangles of another kind. Timaeus So I think Plato would have known well enough that this physical earth is round; and that what he meant when he spoke of the dodecahedron, was something else. The Crest-Wave of Evolution A Course of Lectures in History, Given to the Graduates' Class in the Raja-Yoga College, Point Loma, in the College-Year 1918-19 |
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